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Watch out for the Patent marking trolls

1 June 2010
History may record 2010 as “the year of the false patent marking suit.” In just one week alone, a single plaintiff filed more than 20 separate false marking lawsuits in the US District Court for the Northern District of Illinois, and scores of similar suits have been filed in a variety of courts in recent weeks.


  • Richard M. Assmus
    T +1 312 701 8623
  • Jeffrey W. Sarles
    Senior Counsel
    T +1 312 701 7819
  • Robert J. Kriss
    T +1 312 701 7165

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